A=[]
for a in range(21):
    n=100-a*5
    b=0
    c=0
    B=[a]
    while 1:
        c=n-b*2
        if c>=0:
            B.append(b)
            B.append(c)
            A.append(B)
            B=[a]
            b=b+1
        else:
            break
print len(A)